Liquid manure pump



FIG. 1 is a side elevational view of a liquid manure pump showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an elevational view of the side opposite the one shown in FIG. 1;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a liquid manure pump, substantially as shown and described. 